    <div class="left">
    <div id="my_menu" class="sdmenu">
        <div>
            <span>用户中心</span>
            <a href="/">首页</a>
            <a href="/users/logininfo">登录记录</a>
        </div>
        <div class="collapsed">
            <span>统计</span>
            <a href="#">统计</a>
        </div>
    </div>
</div>